Home / 4,911.35-7,366.20-2,278.74

Finding the Fourth Proportional to 4,911.35, 7,366.20 and 2,278.74

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Solution

The fourth proportional to 4,911.35, 7,366.20 and 2,278.74 is: 3,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,911.35 : 7,366.20 = 2,278.74 : x
  2. Step 2: Convert to fraction form
    4,911.35/7,366.20 = 2,278.74/x
  3. Step 3: Cross multiply
    4,911.35x = 7,366.20 × 2,278.74
  4. Step 4: Simplify right side
    4,911.35x = 16,785,654.59
  5. Step 5: Solve for x
    x = 16,785,654.59/4,911.35
  6. Step 6: Final answer
    x = 3,417.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.